[infra] Fix infra_revision in DEPS

Only the CIPD package should have a "git_revision:" prefix.

Bug: b/364863485
Change-Id: I3c452087813b5b60fe43880d05c5fffec2419db7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/896580
Commit-Queue: Eric Boren <borenet@google.com>
Auto-Submit: Eric Boren <borenet@google.com>
Reviewed-by: Kaylee Lubick <kjlubick@google.com>
Commit-Queue: Kaylee Lubick <kjlubick@google.com>
2 files changed